HELP

We have two stacks of styrofoam cups. One stack has 6 cups, and its height is 15 cm. The other one has 12 cups, and its height is 23 cm. How many cups are needed for a stack with a height of 50 cm?

HELP We have two stacks of styrofoam cups One stack has 6 cups and its height is 15 cm The other one has 12 cups and its height is 23 cm How many cups are neede class=